3708731 has 4 divisors (see below), whose sum is σ = 3994032. Its totient is φ = 3423432.

The previous prime is 3708709. The next prime is 3708751. The reversal of 3708731 is 1378073.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 3708731 - 2¹⁴ = 3692347 is a prime.

It is a super-2 number, since 2×3708731² = 27509371260722, which contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 3708694 and 3708703.

It is not an unprimeable number, because it can be changed into a prime (3708751) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 142631 + ... + 142656.

It is an arithmetic number, because the mean of its divisors is an integer number (998508).

Almost surely, 2^3708731 is an apocalyptic number.

3708731 is a deficient number, since it is larger than the sum of its proper divisors (285301).

3708731 is a wasteful number, since it uses less digits than its factorization.

3708731 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 285300.

The product of its (nonzero) digits is 3528, while the sum is 29.

The square root of 3708731 is about 1925.8065842654. The cubic root of 3708731 is about 154.7896000643.

The spelling of 3708731 in words is "three million, seven hundred eight thousand, seven hundred thirty-one".